21082352

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1061

約数の個数: 40

約数和(自身を含む): 43390080

約数和(自身を除く): 22307728

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 944, 971, 1357, 1942, 2714, 3884, 5428, 7768, 10856, 15536, 21712, 22333, 44666, 57289, 89332, 114578, 178664, 229156, 357328, 458312, 916624, 1317647, 2635294, 5270588, 10541176, 21082352]

約数ペア:

[(1, 21082352), (2, 10541176), (4, 5270588), (8, 2635294), (16, 1317647), (23, 916624), (46, 458312), (59, 357328), (92, 229156), (118, 178664), (184, 114578), (236, 89332), (368, 57289), (472, 44666), (944, 22333), (971, 21712), (1357, 15536), (1942, 10856), (2714, 7768), (3884, 5428)]